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5. Equipment and Leasehold Improvements (Tables)
 12 Months Ended
Mar. 31, 2017
Property, Plant and Equipment [Abstract]  
Property, Plant and Equipment [Table Text Block]
Equipment and leasehold improvements consist of the following:

 
  
March 31,
  
 
  
2017
    
2016
  
Leasehold Improvements
  
$
95,858
    
$
95,858
  
Machinery and equipment
    
1,574,058
      
1,518,780
  
Automobiles
    
23,712
      
23,712
  
Sales equipment
    
599,796
      
572,236
  
Assets under capitalized leases
    
637,189
      
637,189
  
Less: Accumulated depreciation & amortization
    
(2,769,186
)
    
(2,654,257
)
 
  
$
161,427
    
$
193,518